3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(substr("Diagnóstico: Infección del muñón, infracondilea izquierda\n", 0, 34)); var_dump(substr("Diagnóstico: Infección del muñón, infracondilea izquierda\n", 0, 34));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0090.00916.63
8.3.60.0120.00316.38
8.3.50.0190.00018.25
8.3.40.0100.00718.43
8.3.30.0130.00618.38
8.3.20.0030.01324.18
8.3.10.0080.00024.66
8.3.00.0070.00026.16
8.2.180.0100.00725.92
8.2.170.0140.00718.54
8.2.160.0070.00722.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0050.00522.20
8.2.100.0070.00717.66
8.2.90.0040.00419.05
8.2.80.0030.00617.97
8.2.70.0050.00317.50
8.2.60.0050.00517.68
8.2.50.0040.00418.07
8.2.40.0060.00319.76
8.2.30.0070.00017.46
8.2.20.0050.00220.63
8.2.10.0000.00717.54
8.2.00.0030.00619.00
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00322.73
8.1.230.0080.00420.30
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0030.00617.10
8.1.190.0000.00817.11
8.1.180.0000.00818.88
8.1.170.0030.00618.51
8.1.160.0040.00418.86
8.1.150.0000.00718.56
8.1.140.0040.00417.31
8.1.130.0000.00718.74
8.1.120.0030.00417.40
8.1.110.0000.00717.28
8.1.100.0040.00417.33
8.1.90.0000.00817.30
8.1.80.0030.00517.23
8.1.70.0000.00717.33
8.1.60.0040.00417.48
8.1.50.0000.00817.38
8.1.40.0040.00417.35
8.1.30.0060.00317.49
8.1.20.0000.00717.55
8.1.10.0040.00417.41
8.1.00.0080.00017.31
8.0.300.0050.00218.77
8.0.290.0040.00416.58
8.0.280.0000.00718.16
8.0.270.0030.00316.68
8.0.260.0030.00318.30
8.0.250.0030.00316.86
8.0.240.0040.00416.78
8.0.230.0030.00316.73
8.0.220.0070.00016.66
8.0.210.0030.00516.74
8.0.200.0070.00016.80
8.0.190.0000.00816.70
8.0.180.0000.00716.78
8.0.170.0060.00316.77
8.0.160.0040.00416.73
8.0.150.0040.00416.70
8.0.140.0040.00416.71
8.0.130.0060.00616.75
8.0.120.0120.00416.71
8.0.110.0080.00816.75
8.0.100.0070.00416.68
8.0.90.0080.00416.68
8.0.80.0090.00316.69
8.0.70.0140.00716.63
8.0.60.0190.00416.73
8.0.50.0200.00316.72
8.0.30.0220.00416.78
8.0.20.0150.00716.77
8.0.10.0180.00516.93
8.0.00.0040.00916.82
7.4.330.0060.00015.55
7.4.320.0000.00616.36
7.4.300.0030.00316.36
7.4.290.0030.00516.31
7.4.280.0000.00716.47
7.4.270.0040.00416.38
7.4.260.0190.00316.50
7.4.250.0150.01116.38
7.4.240.0180.00416.45
7.4.230.0100.01016.33
7.4.220.0100.00816.52
7.4.210.0140.00416.31
7.4.200.0170.00216.46
7.4.190.0150.00316.44
7.4.180.0160.00016.49
7.4.160.0100.00816.34
7.4.150.0150.00316.31
7.4.140.0140.00316.44
7.4.130.0180.00016.18
7.4.120.0050.01416.21
7.4.110.0150.00316.17
7.4.100.0100.00716.41
7.4.90.0120.00616.43
7.4.80.0120.00716.14
7.4.70.0110.00016.22
7.4.60.0080.00816.21
7.4.50.0100.00716.16
7.4.40.0140.00316.16
7.4.30.0110.00616.37
7.4.20.0040.01316.23
7.4.10.0170.00316.27
7.4.00.0090.00916.15
7.3.330.0110.00716.16
7.3.320.0130.00516.11
7.3.310.0140.00315.90
7.3.300.0080.00515.95
7.3.290.0170.00016.26
7.3.280.0100.01016.16
7.3.270.0110.01015.99
7.3.260.0110.00816.25
7.3.250.0100.01015.98
7.3.240.0080.01116.05
7.3.230.0110.00716.20
7.3.220.0160.00316.06
7.3.210.0160.00416.10
7.3.200.0090.00915.85
7.3.190.0130.00516.02
7.3.180.0050.00915.96
7.3.170.0050.00515.99
7.3.160.0160.00616.08
7.3.150.0120.00616.24
7.3.140.0140.00016.13
7.3.130.0070.00416.01
7.3.120.0050.00516.14
7.3.110.0030.00715.93
7.3.100.0030.00816.01
7.3.90.0040.00916.29
7.3.80.0080.00816.03
7.3.70.0080.00316.17
7.3.60.0140.00416.07
7.3.50.0140.00616.31
7.3.40.0190.00016.04
7.3.30.0150.00416.08
7.3.20.0170.00218.16
7.3.10.0080.00717.83
7.3.00.0150.00517.87

preferences:
61.73 ms | 401 KiB | 5 Q